The popular adidas UltraBOOST gets another revamp in the form of a new heel cage. The recognizable running shoe’s third iteration was recently released in a range of colorways, but the Three Stripes is rolling out a “Core Black” colorway as well. The highlight of this style is the newly designed heel cage, which features perforated dots and an embossed UltraBOOST logo. Set atop the trademark white BOOST sole, there is no word yet on when this iteration will release. Let us know what you think in the comments below.